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Multi-part kit system for the preparation of a disinfectant of the peracetic acid type

Inactive Publication Date: 2010-09-09
LANXESS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]The present invention provides an easy-to-use multi-part kit system for the preparation of a disinfectant of the peracetic acid type which is distinguished by not only a long shelf life of its parts of, for example, 18 to 24 months and more, but also a short activation time even at low temperatures, as may prevail, for example, in a farm environment in particular in the cold time of the year. Peracetic acid disinfectants prepared from the multi-part kit system of the present invention are distinguished by good storage stability.

Problems solved by technology

However, such aqueous equilibrium peracetic acid solutions make high demands with regard to shipping and storage because of their oxidizing and corrosive properties and relative instability, which do not allow for ease of shipping in high-concentrate form.

Method used

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  • Multi-part kit system for the preparation of a disinfectant of the peracetic acid type
  • Multi-part kit system for the preparation of a disinfectant of the peracetic acid type
  • Multi-part kit system for the preparation of a disinfectant of the peracetic acid type

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Effect test

example 5

According to the Invention; Theoretical Peracetic Acid Yield in Case of the RTU Solution 0.15%, in Case of the Concentrate Solution 3.80%

[0092]

Part AReagentQuantity / gTAED4Rovol ® T5000.5Sodium carbonate0.65Barquat ® MS-1001Cabosil ® M50.1Sodium Sulphate3.75

Part BReagentQuantity / g7.5% H2O2 solution, adjusted to pH207.0 by addition of NaOHWater (RTU / concentrate)1740 / 40

[0093]The peracetic acid formed by the RTU solution is given below:

T2%TimeT1 (ml)% H2O2(ml)PAAHpH 5 mins8.410.0712.750.0528.1610 mins7.860.0673.580.0688.0015 mins7.240.0623.550.0677.9120 mins6.970.0593.430.0657.8430 mins6.780.0583.680.0707.7340 mins6.430.0554.200.0807.69 1 hr6.000.0514.880.0937.56

[0094]The peracetic acid formed by the concentrate solution is given below:

WeightT2%Time(g)T1 (ml)% H2O2(ml)PAAH 5 mins1.00729.731.644.711.7810 mins1.06159.561.534.961.7815 mins1.01268.931.504.801.8020 mins0.98988.41.444.881.8730 mins1.02888.221.355.422.00 1 hr1.02007.241.216.322.35

[0095]From the above it can be seen that the H...

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Abstract

A multi-part kit system comprising a solid part A which comprises at least one acetyl donor, a liquid part B in the form of an aqueous composition which comprises 3 to 35 wt. % of hydrogen peroxide and one or more parts C, wherein the solid part A and / or the part(s) C comprise at least one surfactant selected from the group consisting of anionic surfactants, amphoteric surfactants and nonionic surfactants, wherein the composition of the parts of the multi-part kit system is such, that directly after being mixed with each other and water in a specified ratio the pH of the mixture is in the range of 5.5 to 8.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 61 / 157747 filed Mar. 5, 2009.FIELD OF THE INVENTION[0002]The invention relates to a multi-part kit system for the preparation of a disinfectant of the peracetic acid type (peracetic acid disinfectant) and the use thereof in a process for the preparation of a disinfectant of the peracetic acid type.BACKGROUND OF THE INVENTION[0003]Disinfectants of the peracetic acid type are well-known. They may be prepared by mixing acetic acid with hydrogen peroxide and letting the mixture react in aqueous medium to yield an aqueous equilibrium peracetic acid solution. However, such aqueous equilibrium peracetic acid solutions make high demands with regard to shipping and storage because of their oxidizing and corrosive properties and relative instability, which do not allow for ease of shipping in high-concentrate form.[0004]An alternative is the in-situ generation of peracetic acid...

Claims

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Application Information

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IPC IPC(8): A01N59/00A01P1/00
CPCA61L2/18A01N37/16
Inventor AMES, KELLY ANNSQUIRE, MARK WALLACE
Owner LANXESS CORP
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